213645747

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1459}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 343859200

約数和(自身を除く): 130213453

約数列:

[1, 3, 7, 19, 21, 57, 133, 367, 399, 1101, 1459, 2569, 4377, 6973, 7707, 10213, 20919, 27721, 30639, 48811, 83163, 146433, 194047, 535453, 582141, 1606359, 3748171, 10173607, 11244513, 30520821, 71215249, 213645747]

約数ペア:

[(1, 213645747), (3, 71215249), (7, 30520821), (19, 11244513), (21, 10173607), (57, 3748171), (133, 1606359), (367, 582141), (399, 535453), (1101, 194047), (1459, 146433), (2569, 83163), (4377, 48811), (6973, 30639), (7707, 27721), (10213, 20919)]